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Title: GitHub - BackendJava/Hackerrank: 📗 Solutions of more than 380 problems of Hackerrank accross several domains.

Open Graph Title: GitHub - BackendJava/Hackerrank: 📗 Solutions of more than 380 problems of Hackerrank accross several domains.

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Description: 📗 Solutions of more than 380 problems of Hackerrank accross several domains. - BackendJava/Hackerrank

Open Graph Description: 📗 Solutions of more than 380 problems of Hackerrank accross several domains. - BackendJava/Hackerrank

X Description: 📗 Solutions of more than 380 problems of Hackerrank accross several domains. - BackendJava/Hackerrank

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Problem	https://www.hackerrank.com/challenges/priyanka-and-toys/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Greedy/PriyankaandToys.java
Problem	https://www.hackerrank.com/challenges/reverse-shuffle-merge/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Greedy/ReverseShuffleMerge.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-the-beast/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Greedy/SherlockandTheBeast.java
Problem	https://www.hackerrank.com/challenges/team-formation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Greedy/TeamFormation.java
Problem	https://www.hackerrank.com/challenges/3d-surface-area/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/3DSurfaceArea.java
Problem	https://www.hackerrank.com/challenges/acm-icpc-team/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ACMICPCTeam.java
Problem	https://www.hackerrank.com/challenges/absolute-permutation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/AbsolutePermutation.java
Problem	https://www.hackerrank.com/challenges/almost-sorted/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/AlmostSorted.java
Problem	https://www.hackerrank.com/challenges/angry-professor/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/AngryProfessor.java
Problem	https://www.hackerrank.com/challenges/append-and-delete/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/AppendandDelete.java
Problem	https://www.hackerrank.com/challenges/apple-and-orange/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/AppleandOrange.java
Problem	https://www.hackerrank.com/challenges/beautiful-days-at-the-movies/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BeautifulDaysattheMovies.java
Problem	https://www.hackerrank.com/challenges/beautiful-triplets/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BeautifulTriplets.java
Problem	https://www.hackerrank.com/challenges/between-two-sets/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BetweenTwoSets.java
Problem	https://www.hackerrank.com/challenges/bigger-is-greater/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BiggerisGreater.java
Problem	https://www.hackerrank.com/challenges/the-birthday-bar/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BirthdayChocolate.java
Problem	https://www.hackerrank.com/challenges/bon-appetit/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BonApp%C3%A9tit.java
Problem	https://www.hackerrank.com/challenges/breaking-best-and-worst-records/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/BreakingtheRecords.java
Problem	https://www.hackerrank.com/challenges/cats-and-a-mouse/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/CatsandaMouse.java
Problem	https://www.hackerrank.com/challenges/cavity-map/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/CavityMap.java
Problem	https://www.hackerrank.com/challenges/chocolate-feast/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ChocolateFeast.java
Problem	https://www.hackerrank.com/challenges/circular-array-rotation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/CircularArrayRotation.java
Problem	https://www.hackerrank.com/challenges/climbing-the-leaderboard/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ClimbingtheLeaderboard.java
Problem	https://www.hackerrank.com/challenges/counting-valleys/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/CountingValleys.java
Problem	https://www.hackerrank.com/challenges/cut-the-sticks/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Cutthesticks.java
Problem	https://www.hackerrank.com/challenges/day-of-the-programmer/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/DayoftheProgrammer.java
Problem	https://www.hackerrank.com/challenges/designer-pdf-viewer/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/DesignerPDFViewer.java
Problem	https://www.hackerrank.com/challenges/divisible-sum-pairs/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/DivisibleSumPairs.java
Problem	https://www.hackerrank.com/challenges/drawing-book/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/DrawingBook.java
Problem	https://www.hackerrank.com/challenges/electronics-shop/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ElectronicsShop.java
Problem	https://www.hackerrank.com/challenges/encryption/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Encryption.java
Problem	https://www.hackerrank.com/challenges/equality-in-a-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/EqualizetheArray.java
Problem	https://www.hackerrank.com/challenges/extra-long-factorials/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ExtraLongFactorials.java
Problem	https://www.hackerrank.com/challenges/fair-rations/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/FairRations.java
Problem	https://www.hackerrank.com/challenges/find-digits/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/FindDigits.java
Problem	https://www.hackerrank.com/challenges/flatland-space-stations/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/FlatlandSpaceStations.java
Problem	https://www.hackerrank.com/challenges/magic-square-forming/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/FormingaMagicSquare.java
Problem	https://www.hackerrank.com/challenges/grading/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/GradingStudents.java
Problem	https://www.hackerrank.com/challenges/halloween-sale/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/HalloweenSale.java
Problem	https://www.hackerrank.com/challenges/happy-ladybugs/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/HappyLadybugs.java
Problem	https://www.hackerrank.com/challenges/jumping-on-the-clouds-revisited/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/JumpingontheClouds:Revisited.java
Problem	https://www.hackerrank.com/challenges/jumping-on-the-clouds/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/JumpingontheClouds.java
Problem	https://www.hackerrank.com/challenges/kangaroo/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Kangaroo.java
Problem	https://www.hackerrank.com/challenges/larrys-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Larry'sArray.java
Problem	https://www.hackerrank.com/challenges/library-fine/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/LibraryFine.java
Problem	https://www.hackerrank.com/challenges/lisa-workbook/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Lisa'sWorkbook.java
Problem	https://www.hackerrank.com/challenges/manasa-and-stones/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ManasaandStones.java
Problem	https://www.hackerrank.com/challenges/matrix-rotation-algo/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/MatrixLayerRotation.java
Problem	https://www.hackerrank.com/challenges/migratory-birds/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/MigratoryBirds.java
Problem	https://www.hackerrank.com/challenges/minimum-distances/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/MinimumDistances.java
Problem	https://www.hackerrank.com/challenges/kaprekar-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ModifiedKaprekarNumbers.java
Problem	https://www.hackerrank.com/challenges/non-divisible-subset/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Non-DivisibleSubset.java
Problem	https://www.hackerrank.com/challenges/organizing-containers-of-balls/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/OrganizingContainersofBalls.java
Problem	https://www.hackerrank.com/challenges/picking-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/PickingNumbers.java
Problem	https://www.hackerrank.com/challenges/queens-attack-2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/Queen'sAttackII.java
Problem	https://www.hackerrank.com/challenges/repeated-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/RepeatedString.java
Problem	https://www.hackerrank.com/challenges/save-the-prisoner/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/SavethePrisoner!.java
Problem	https://www.hackerrank.com/challenges/permutation-equation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/SequenceEquation.java
Problem	https://www.hackerrank.com/challenges/service-lane/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ServiceLane.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-squares/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/SherlockandSquares.java
Problem	https://www.hackerrank.com/challenges/sock-merchant/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/SockMerchant.java
Problem	https://www.hackerrank.com/challenges/strange-code/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/StrangeCounter.java
Problem	https://www.hackerrank.com/challenges/taum-and-bday/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/TaumandB'day.java
Problem	https://www.hackerrank.com/challenges/the-grid-search/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/TheGridSearch.java
Problem	https://www.hackerrank.com/challenges/the-hurdle-race/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/TheHurdleRace.java
Problem	https://www.hackerrank.com/challenges/the-time-in-words/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/TheTimeinWords.java
Problem	https://www.hackerrank.com/challenges/utopian-tree/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/UtopianTree.java
Problem	https://www.hackerrank.com/challenges/strange-advertising/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Implementation/ViralAdvertising.java
Problem	https://www.hackerrank.com/challenges/the-power-sum/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Recursion/ThePowerSum.java
Problem	https://www.hackerrank.com/challenges/playing-with-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/AbsoluteElementSums.java
Problem	https://www.hackerrank.com/challenges/connected-cell-in-a-grid/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/ConnectedCellsinaGrid.java
Problem	https://www.hackerrank.com/challenges/icecream-parlor/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/IceCreamParlor.java
Problem	https://www.hackerrank.com/challenges/maximum-subarray-sum/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/MaximumSubarraySum.java
Problem	https://www.hackerrank.com/challenges/missing-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/MissingNumbers.java
Problem	https://www.hackerrank.com/challenges/pairs/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/Pairs.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Search/SherlockandArray.java
Problem	https://www.hackerrank.com/challenges/big-sorting/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/BigSorting.java
Problem	https://www.hackerrank.com/challenges/closest-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/ClosestNumbers.java
Problem	https://www.hackerrank.com/challenges/correctness-invariant/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/CorrectnessandtheLoopInvariant.java
Problem	https://www.hackerrank.com/challenges/countingsort1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/CountingSort1.java
Problem	https://www.hackerrank.com/challenges/countingsort2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/CountingSort2.java
Problem	https://www.hackerrank.com/challenges/find-the-median/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/FindtheMedian.java
Problem	https://www.hackerrank.com/challenges/insertionsort1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/InsertionSort-Part1.java
Problem	https://www.hackerrank.com/challenges/insertionsort2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/InsertionSort-Part2.java
Problem	https://www.hackerrank.com/challenges/tutorial-intro/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/IntrotoTutorialChallenges.java
Problem	https://www.hackerrank.com/challenges/quicksort1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/Quicksort1-Partition.java
Problem	https://www.hackerrank.com/challenges/runningtime/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Sorting/RunningTimeofAlgorithms.java
Problem	https://www.hackerrank.com/challenges/alternating-characters/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/AlternatingCharacters.java
Problem	https://www.hackerrank.com/challenges/anagram/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/Anagram.java
Problem	https://www.hackerrank.com/challenges/beautiful-binary-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/BeautifulBinaryString.java
Problem	https://www.hackerrank.com/challenges/caesar-cipher-1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/CaesarCipher.java
Problem	https://www.hackerrank.com/challenges/camelcase/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/CamelCase.java
Problem	https://www.hackerrank.com/challenges/common-child/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/CommonChild.java
Problem	https://www.hackerrank.com/challenges/funny-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/FunnyString.java
Problem	https://www.hackerrank.com/challenges/game-of-thrones/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/GameofThrones-I.java
Problem	https://www.hackerrank.com/challenges/gem-stones/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/Gemstones.java
Problem	https://www.hackerrank.com/challenges/hackerrank-in-a-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/HackerRankinaString!.java
Problem	https://www.hackerrank.com/challenges/richie-rich/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/HighestValuePalindrome.java
Problem	https://www.hackerrank.com/challenges/making-anagrams/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/MakingAnagrams.java
Problem	https://www.hackerrank.com/challenges/mars-exploration/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/MarsExploration.java
Problem	https://www.hackerrank.com/challenges/morgan-and-a-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/MorganandaString.java
Problem	https://www.hackerrank.com/challenges/palindrome-index/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/PalindromeIndex.java
Problem	https://www.hackerrank.com/challenges/pangrams/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/Pangrams.java
Problem	https://www.hackerrank.com/challenges/separate-the-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/SeparatetheNumbers.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-anagrams/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/SherlockandAnagrams.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-valid-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/SherlockandtheValidString.java
Problem	https://www.hackerrank.com/challenges/string-construction/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/StringConstruction.java
Problem	https://www.hackerrank.com/challenges/string-function-calculation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/StringFunctionCalculation.java
Problem	https://www.hackerrank.com/challenges/strong-password/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/StrongPassword.java
Problem	https://www.hackerrank.com/challenges/reduced-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/SuperReducedString.java
Problem	https://www.hackerrank.com/challenges/the-love-letter-mystery/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/TheLove-LetterMystery.java
Problem	https://www.hackerrank.com/challenges/two-characters/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/TwoCharacters.java
Problem	https://www.hackerrank.com/challenges/two-strings/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/TwoStrings.java
Problem	https://www.hackerrank.com/challenges/two-two/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/TwoTwo.java
Problem	https://www.hackerrank.com/challenges/weighted-uniform-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Strings/WeightedUniformStrings.java
Problem	https://www.hackerrank.com/challenges/a-very-big-sum/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/AVeryBigSum.java
Problem	https://www.hackerrank.com/challenges/birthday-cake-candles/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/BirthdayCakeCandles.java
Problem	https://www.hackerrank.com/challenges/compare-the-triplets/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/ComparetheTriplets.java
Problem	https://www.hackerrank.com/challenges/diagonal-difference/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/DiagonalDifference.java
Problem	https://www.hackerrank.com/challenges/mini-max-sum/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/Mini-MaxSum.java
Problem	https://www.hackerrank.com/challenges/plus-minus/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/PlusMinus.java
Problem	https://www.hackerrank.com/challenges/simple-array-sum/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/SimpleArraySum.java
Problem	https://www.hackerrank.com/challenges/solve-me-first/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/SolveMeFirst.java
Problem	https://www.hackerrank.com/challenges/staircase/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/Staircase.java
Problem	https://www.hackerrank.com/challenges/time-conversion/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Algorithms/Warmup/TimeConversion.java
Problem	https://www.hackerrank.com/challenges/saveprincess/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/ArtificialIntelligence/BotBuilding/Botsavesprincess.java
Problem	https://www.hackerrank.com/challenges/x-and-his-shots/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Advanced/Mr.XandHisShots.java
Problem	https://www.hackerrank.com/challenges/2d-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/2DArray-DS.java
Problem	https://www.hackerrank.com/challenges/crush/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/ArrayManipulation.java
Problem	https://www.hackerrank.com/challenges/arrays-ds/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/Arrays-DS.java
Problem	https://www.hackerrank.com/challenges/dynamic-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/DynamicArray.java
Problem	https://www.hackerrank.com/challenges/array-left-rotation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/LeftRotation.java
Problem	https://www.hackerrank.com/challenges/sparse-arrays/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Arrays/SparseArrays.java
Problem	https://www.hackerrank.com/challenges/compare-two-linked-lists/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Comparetwolinkedlists.java
Problem	https://www.hackerrank.com/challenges/detect-whether-a-linked-list-contains-a-cycle/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/CycleDetection.java
Problem	https://www.hackerrank.com/challenges/delete-a-node-from-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/DeleteaNode.java
Problem	https://www.hackerrank.com/challenges/delete-duplicate-value-nodes-from-a-sorted-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Deleteduplicate-valuenodesfromasortedlinkedlist.java
Problem	https://www.hackerrank.com/challenges/find-the-merge-point-of-two-joined-linked-lists/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/FindMergePointofTwoLists.java
Problem	https://www.hackerrank.com/challenges/get-the-value-of-the-node-at-a-specific-position-from-the-tail/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/GetNodeValue.java
Problem	https://www.hackerrank.com/challenges/insert-a-node-at-the-tail-of-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/InsertaNodeattheTailofaLinkedList.java
Problem	https://www.hackerrank.com/challenges/insert-a-node-at-a-specific-position-in-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Insertanodeataspecificpositioninalinkedlist.java
Problem	https://www.hackerrank.com/challenges/insert-a-node-at-the-head-of-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Insertanodeattheheadofalinkedlist.java
Problem	https://www.hackerrank.com/challenges/insert-a-node-into-a-sorted-doubly-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/InsertingaNodeIntoaSortedDoublyLinkedList.java
Problem	https://www.hackerrank.com/challenges/merge-two-sorted-linked-lists/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Mergetwosortedlinkedlists.java
Problem	https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list-in-reverse/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/PrintinReverse.java
Problem	https://www.hackerrank.com/challenges/print-the-elements-of-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/PrinttheElementsofaLinkedList.java
Problem	https://www.hackerrank.com/challenges/reverse-a-doubly-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Reverseadoublylinkedlist.java
Problem	https://www.hackerrank.com/challenges/reverse-a-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/LinkedLists/Reversealinkedlist.java
Problem	https://www.hackerrank.com/challenges/balanced-brackets/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Stacks/BalancedBrackets.java
Problem	https://www.hackerrank.com/challenges/equal-stacks/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Stacks/EqualStacks.java
Problem	https://www.hackerrank.com/challenges/largest-rectangle/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Stacks/LargestRectangle.java
Problem	https://www.hackerrank.com/challenges/maximum-element/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Stacks/MaximumElement.java
Problem	https://www.hackerrank.com/challenges/binary-search-tree-insertion/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/BinarySearchTree:Insertion.java
Problem	https://www.hackerrank.com/challenges/binary-search-tree-lowest-common-ancestor/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/BinarySearchTree:LowestCommonAncestor.java
Problem	https://www.hackerrank.com/challenges/is-binary-search-tree/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/IsThisaBinarySearchTree?.java
Problem	https://www.hackerrank.com/challenges/tree-top-view/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:TopView.java
Problem	https://www.hackerrank.com/challenges/tree-height-of-a-binary-tree/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:HeightofaBinaryTree.java
Problem	https://www.hackerrank.com/challenges/tree-huffman-decoding/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:HuffmanDecoding.java
Problem	https://www.hackerrank.com/challenges/tree-inorder-traversal/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:InorderTraversal.java
Problem	https://www.hackerrank.com/challenges/tree-level-order-traversal/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:LevelOrderTraversal.java
Problem	https://www.hackerrank.com/challenges/tree-postorder-traversal/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:PostorderTraversal.java
Problem	https://www.hackerrank.com/challenges/tree-preorder-traversal/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/DataStructures/Trees/Tree:PreorderTraversal.java
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-1
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-2
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-3/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-3
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-4/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-4
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-5/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-5
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-6/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-6
Problem	https://www.hackerrank.com/challenges/basics-of-sets-and-relational-algebra-7/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Databases/RelationalAlgebra/basics-of-sets-and-relational-algebra-7
Problem	https://www.hackerrank.com/challenges/can-you-access/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/CanYouAccess?.java
Problem	https://www.hackerrank.com/challenges/java-covariance/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/CovariantReturnTypes.java
Problem	https://www.hackerrank.com/challenges/java-annotations/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaAnnotations.java
Problem	https://www.hackerrank.com/challenges/java-factory/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaFactoryPattern.java
Problem	https://www.hackerrank.com/challenges/java-lambda-expressions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaLambdaExpressions.java
Problem	https://www.hackerrank.com/challenges/java-md5/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaMD5.java
Problem	https://www.hackerrank.com/challenges/java-reflection-attributes/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaReflection-Attributes.java
Problem	https://www.hackerrank.com/challenges/sha-256/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaSHA-256.java
Problem	https://www.hackerrank.com/challenges/java-singleton/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaSingletonPattern.java
Problem	https://www.hackerrank.com/challenges/simple-addition-varargs/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaVarargs-SimpleAddition.java
Problem	https://www.hackerrank.com/challenges/java-vistor-pattern/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/JavaVisitorPattern.java
Problem	https://www.hackerrank.com/challenges/prime-checker/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Advanced/PrimeChecker.java
Problem	https://www.hackerrank.com/challenges/java-bigdecimal/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/BigNumber/JavaBigDecimal.java
Problem	https://www.hackerrank.com/challenges/java-biginteger/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/BigNumber/JavaBigInteger.java
Problem	https://www.hackerrank.com/challenges/java-primality-test/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/BigNumber/JavaPrimalityTest.java
Problem	https://www.hackerrank.com/challenges/java-1d-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/Java1DArray(Part2).java
Problem	https://www.hackerrank.com/challenges/java-1d-array-introduction/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/Java1DArray.java
Problem	https://www.hackerrank.com/challenges/java-2d-array/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/Java2DArray.java
Problem	https://www.hackerrank.com/challenges/java-arraylist/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaArraylist.java
Problem	https://www.hackerrank.com/challenges/java-bitset/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaBitSet.java
Problem	https://www.hackerrank.com/challenges/java-comparator/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaComparator.java
Problem	https://www.hackerrank.com/challenges/java-dequeue/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaDequeue.java
Problem	https://www.hackerrank.com/challenges/java-generics/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaGenerics.java
Problem	https://www.hackerrank.com/challenges/java-hashset/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaHashset.java
Problem	https://www.hackerrank.com/challenges/java-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaList.java
Problem	https://www.hackerrank.com/challenges/phone-book/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaMap.java
Problem	https://www.hackerrank.com/challenges/java-priority-queue/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaPriorityQueue.java
Problem	https://www.hackerrank.com/challenges/java-sort/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaSort.java
Problem	https://www.hackerrank.com/challenges/java-stack/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaStack.java
Problem	https://www.hackerrank.com/challenges/java-negative-subarray/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/DataStructures/JavaSubarray.java
Problem	https://www.hackerrank.com/challenges/java-exception-handling-try-catch/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ExceptionHandling/JavaExceptionHandling(Try-catch).java
Problem	https://www.hackerrank.com/challenges/java-exception-handling/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ExceptionHandling/JavaExceptionHandling.java
Problem	https://www.hackerrank.com/challenges/java-stdin-and-stdout-1/problem
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Problem	https://www.hackerrank.com/challenges/java-currency-formatter/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Introduction/JavaCurrencyFormatter.java
Problem	https://www.hackerrank.com/challenges/java-datatypes/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Introduction/JavaDatatypes.java
Problem	https://www.hackerrank.com/challenges/java-date-and-time/problem
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Problem	https://www.hackerrank.com/challenges/java-end-of-file/problem
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Problem	https://www.hackerrank.com/challenges/java-if-else/problem
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Problem	https://www.hackerrank.com/challenges/java-int-to-string/problem
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Problem	https://www.hackerrank.com/challenges/java-loops/problem
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Problem	https://www.hackerrank.com/challenges/java-loops-i/problem
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Problem	https://www.hackerrank.com/challenges/java-output-formatting/problem
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Problem	https://www.hackerrank.com/challenges/java-static-initializer-block/problem
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Problem	https://www.hackerrank.com/challenges/java-stdin-stdout/problem
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Problem	https://www.hackerrank.com/challenges/welcome-to-java/problem
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Problem	https://www.hackerrank.com/challenges/java-abstract-class/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaAbstractClass.java
Problem	https://www.hackerrank.com/challenges/java-inheritance-2/problem
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Problem	https://www.hackerrank.com/challenges/java-inheritance-1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaInheritanceI.java
Problem	https://www.hackerrank.com/challenges/java-instanceof-keyword/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaInstanceofkeyword.java
Problem	https://www.hackerrank.com/challenges/java-interface/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaInterface.java
Problem	https://www.hackerrank.com/challenges/java-iterator/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaIterator.java
Problem	https://www.hackerrank.com/challenges/java-method-overriding-2-super-keyword/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/ObjectOrientedProgramming/JavaMethodOverriding2(SuperKeyword).java
Problem	https://www.hackerrank.com/challenges/java-method-overriding/problem
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Problem	https://www.hackerrank.com/challenges/java-anagrams/problem
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Problem	https://www.hackerrank.com/challenges/duplicate-word/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaRegex2-DuplicateWords.java
Problem	https://www.hackerrank.com/challenges/java-regex/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaRegex.java
Problem	https://www.hackerrank.com/challenges/java-string-reverse/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaStringReverse.java
Problem	https://www.hackerrank.com/challenges/java-string-tokens/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaStringTokens.java
Problem	https://www.hackerrank.com/challenges/java-strings-introduction/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaStringsIntroduction.java
Problem	https://www.hackerrank.com/challenges/java-string-compare/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaSubstringComparisons.java
Problem	https://www.hackerrank.com/challenges/java-substring/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/JavaSubstring.java
Problem	https://www.hackerrank.com/challenges/pattern-syntax-checker/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/PatternSyntaxChecker.java
Problem	https://www.hackerrank.com/challenges/tag-content-extractor/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/TagContentExtractor.java
Problem	https://www.hackerrank.com/challenges/valid-username-checker/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Java/Strings/ValidUsernameRegularExpression.java
Problem	https://www.hackerrank.com/challenges/bash-tutorials---a-personalized-echo/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---a-personalized-echo.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials---comparing-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---comparing-numbers.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials---getting-started-with-conditionals/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---getting-started-with-conditionals.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials-lets-echo/problem
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Problem	https://www.hackerrank.com/challenges/bash-tutorials---looping-and-skipping/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---looping-and-skipping.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials---looping-with-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---looping-with-numbers.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials---more-on-conditionals/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---more-on-conditionals.sh
Problem	https://www.hackerrank.com/challenges/bash-tutorials---the-world-of-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/LinuxShell/Bash/bash-tutorials---the-world-of-numbers.sh
Problem	https://www.hackerrank.com/challenges/sherlock-and-pairs/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Combinatorics/SherlockandPairs.java
Problem	https://www.hackerrank.com/challenges/game-with-cells/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/ArmyGame.java
Problem	https://www.hackerrank.com/challenges/diwali-lights/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/DiwaliLights.java
Problem	https://www.hackerrank.com/challenges/find-point/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/FindthePoint.java
Problem	https://www.hackerrank.com/challenges/maximum-draws/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/MaximumDraws.java
Problem	https://www.hackerrank.com/challenges/possible-path/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/PossiblePath.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-moving-tiles/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/SherlockandMovingTiles.java
Problem	https://www.hackerrank.com/challenges/sherlock-and-permutations/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Mathematics/Fundamentals/sherlock-and-permutations.cpp
Problem	https://www.hackerrank.com/challenges/calculating-volume/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/CalculatingVolume.java
Problem	https://www.hackerrank.com/challenges/countingsort3/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/CountingSort3.java
Problem	https://www.hackerrank.com/challenges/frequency-queries/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/FrequencyQueries.java
Problem	https://www.hackerrank.com/challenges/minimum-swaps-2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/MinimumSwaps2.java
Problem	https://www.hackerrank.com/challenges/quicksort2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/Quicksort2-Sorting.java
Problem	https://www.hackerrank.com/challenges/quicksort3/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Others/Miscellaneous/QuicksortIn-Place.java
Problem	https://www.hackerrank.com/challenges/write-a-function/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Python/Introduction/write-a-function.py
Problem	https://www.hackerrank.com/challenges/negative-lookahead/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Assertions/NegativeLookahead.java
Problem	https://www.hackerrank.com/challenges/negative-lookbehind/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Assertions/NegativeLookbehind.java
Problem	https://www.hackerrank.com/challenges/positive-lookahead/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Assertions/PositiveLookahead.java
Problem	https://www.hackerrank.com/challenges/positive-lookbehind/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Assertions/PositiveLookbehind.java
Problem	https://www.hackerrank.com/challenges/backreferences-to-failed-groups/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Backreferences/BackreferencesToFailedGroups.java
Problem	https://www.hackerrank.com/challenges/branch-reset-groups/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Backreferences/branch-reset-groups.php
Problem	https://www.hackerrank.com/challenges/forward-references/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Backreferences/ForwardReferences.java
Problem	https://www.hackerrank.com/challenges/matching-same-text-again-again/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Backreferences/MatchingSameTextAgain&Again.java
Problem	https://www.hackerrank.com/challenges/excluding-specific-characters/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/CharacterClass/ExcludingSpecificCharacters.java
Problem	https://www.hackerrank.com/challenges/matching-range-of-characters/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/CharacterClass/MatchingCharacterRanges.java
Problem	https://www.hackerrank.com/challenges/matching-specific-characters/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/CharacterClass/MatchingSpecificCharacters.java
Problem	https://www.hackerrank.com/challenges/alternative-matching/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/GroupingandCapturing/AlternativeMatching.java
Problem	https://www.hackerrank.com/challenges/capturing-non-capturing-groups/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/GroupingandCapturing/Capturing&Non-CapturingGroups.java
Problem	https://www.hackerrank.com/challenges/matching-word-boundaries/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/GroupingandCapturing/MatchingWordBoundaries.java
Problem	https://www.hackerrank.com/challenges/matching-anything-but-new-line/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingAnythingButaNewline.java
Problem	https://www.hackerrank.com/challenges/matching-digits-non-digit-character/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingDigits&Non-DigitCharacters.java
Problem	https://www.hackerrank.com/challenges/matching-specific-string/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingSpecificString.java
Problem	https://www.hackerrank.com/challenges/matching-start-end/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingStart&End.java
Problem	https://www.hackerrank.com/challenges/matching-whitespace-non-whitespace-character/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingWhitespace&Non-WhitespaceCharacter.java
Problem	https://www.hackerrank.com/challenges/matching-word-non-word/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Introduction/MatchingWord&Non-WordCharacter.java
Problem	https://www.hackerrank.com/challenges/matching-ending-items/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Repetitions/MatchingEndingItems.java
Problem	https://www.hackerrank.com/challenges/matching-one-or-more-repititions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Repetitions/MatchingOneOrMoreRepetitions.java
Problem	https://www.hackerrank.com/challenges/matching-zero-or-more-repetitions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Repetitions/MatchingZeroOrMoreRepetitions.java
Problem	https://www.hackerrank.com/challenges/matching-x-y-repetitions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Repetitions/Matching%7Bx,y%7DRepetitions.java
Problem	https://www.hackerrank.com/challenges/matching-x-repetitions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Regex/Repetitions/Matching%7Bx%7DRepetitions.java
Problem	https://www.hackerrank.com/challenges/japanese-cities-attributes/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/japanese-cities-attributes.sql
Problem	https://www.hackerrank.com/challenges/japanese-cities-name/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/japanese-cities-name.sql
Problem	https://www.hackerrank.com/challenges/revising-the-select-query-2/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/revising-the-select-query-2.sql
Problem	https://www.hackerrank.com/challenges/revising-the-select-query/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/revising-the-select-query.sql
Problem	https://www.hackerrank.com/challenges/select-all-sql/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/select-all-sql.sql
Problem	https://www.hackerrank.com/challenges/select-by-id/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/select-by-id.sql
Problem	https://www.hackerrank.com/challenges/weather-observation-station-1/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/weather-observation-station-1.sql
Problem	https://www.hackerrank.com/challenges/weather-observation-station-3/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/weather-observation-station-3.sql
Problem	https://www.hackerrank.com/challenges/weather-observation-station-4/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/SQL/BasicSelect/weather-observation-station-4.sql
Problem	https://www.hackerrank.com/challenges/keyword-transposition-cipher/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Cryptography/KeywordTranspositionCipher.java
Problem	https://www.hackerrank.com/challenges/prng-sequence-guessing/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Cryptography/PRNGSequenceGuessing.java
Problem	https://www.hackerrank.com/challenges/security-bijective-functions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityBijectiveFunctions.java
Problem	https://www.hackerrank.com/challenges/security-inverse-of-a-function/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityFunctionInverses.java
Problem	https://www.hackerrank.com/challenges/security-function-ii/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityFunctionsII.java
Problem	https://www.hackerrank.com/challenges/security-tutorial-functions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityFunctions.java
Problem	https://www.hackerrank.com/challenges/security-involution/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityInvolution.java
Problem	https://www.hackerrank.com/challenges/security-tutorial-permutations/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/Functions/SecurityPermutations.java
Problem	https://www.hackerrank.com/challenges/security-message-space-and-ciphertext-space/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/TerminologyandConcepts/Security-MessageSpaceandCiphertextSpace.java
Problem	https://www.hackerrank.com/challenges/security-encryption-scheme/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/TerminologyandConcepts/SecurityEncryptionScheme.java
Problem	https://www.hackerrank.com/challenges/security-key-spaces/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Security/TerminologyandConcepts/SecurityKeySpaces.java
Problem	https://www.hackerrank.com/challenges/30-hello-world/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day0:Hello,World..java
Problem	https://www.hackerrank.com/challenges/30-binary-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day10:BinaryNumbers.java
Problem	https://www.hackerrank.com/challenges/30-2d-arrays/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day11:2DArrays.java
Problem	https://www.hackerrank.com/challenges/30-inheritance/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day12:Inheritance.java
Problem	https://www.hackerrank.com/challenges/30-abstract-classes/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day13:AbstractClasses.java
Problem	https://www.hackerrank.com/challenges/30-scope/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day14:Scope.java
Problem	https://www.hackerrank.com/challenges/30-linked-list/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day15:LinkedList.java
Problem	https://www.hackerrank.com/challenges/30-exceptions-string-to-integer/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day16:Exceptions-StringtoInteger.java
Problem	https://www.hackerrank.com/challenges/30-more-exceptions/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day17:MoreExceptions.java
Problem	https://www.hackerrank.com/challenges/30-queues-stacks/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day18:QueuesandStacks.java
Problem	https://www.hackerrank.com/challenges/30-interfaces/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day19:Interfaces.java
Problem	https://www.hackerrank.com/challenges/30-data-types/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day1:DataTypes.java
Problem	https://www.hackerrank.com/challenges/30-sorting/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day20:Sorting.java
Problem	https://www.hackerrank.com/challenges/30-generics/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day21:Generics.java
Problem	https://www.hackerrank.com/challenges/30-binary-search-trees/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day22:BinarySearchTrees.java
Problem	https://www.hackerrank.com/challenges/30-binary-trees/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day23:BSTLevel-OrderTraversal.java
Problem	https://www.hackerrank.com/challenges/30-linked-list-deletion/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day24:MoreLinkedLists.java
Problem	https://www.hackerrank.com/challenges/30-running-time-and-complexity/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day25:RunningTimeandComplexity.java
Problem	https://www.hackerrank.com/challenges/30-nested-logic/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day26:NestedLogic.java
Problem	https://www.hackerrank.com/challenges/30-testing/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day27:Testing.java
Problem	https://www.hackerrank.com/challenges/30-regex-patterns/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day28:RegEx,Patterns,andIntrotoDatabases.java
Problem	https://www.hackerrank.com/challenges/30-bitwise-and/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day29:BitwiseAND.java
Problem	https://www.hackerrank.com/challenges/30-operators/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day2:Operators.java
Problem	https://www.hackerrank.com/challenges/30-conditional-statements/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day3:IntrotoConditionalStatements.java
Problem	https://www.hackerrank.com/challenges/30-class-vs-instance/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day4:Classvs.Instance.java
Problem	https://www.hackerrank.com/challenges/30-loops/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day5:Loops.java
Problem	https://www.hackerrank.com/challenges/30-review-loop/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day6:Let'sReview.java
Problem	https://www.hackerrank.com/challenges/30-arrays/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/30-arrays.cpp
Problem	https://www.hackerrank.com/challenges/30-dictionaries-and-maps/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day8:DictionariesandMaps.java
Problem	https://www.hackerrank.com/challenges/30-recursion/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/30DaysofCode/Day9:Recursion3.java
Problem	https://www.hackerrank.com/challenges/ctci-array-left-rotation/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Arrays:LeftRotation.java
Problem	https://www.hackerrank.com/challenges/ctci-lonely-integer/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/BitManipulation:LonelyInteger.java
Problem	https://www.hackerrank.com/challenges/ctci-coin-change/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/DP:CoinChange.java
Problem	https://www.hackerrank.com/challenges/ctci-ransom-note/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/HashTables:RansomNote.java
Problem	https://www.hackerrank.com/challenges/ctci-find-the-running-median/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Heaps:FindtheRunningMedian.java
Problem	https://www.hackerrank.com/challenges/ctci-linked-list-cycle/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/LinkedLists:DetectaCycle.java
Problem	https://www.hackerrank.com/challenges/ctci-queue-using-two-stacks/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Queues:ATaleofTwoStacks.java
Problem	https://www.hackerrank.com/challenges/ctci-recursive-staircase/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Recursion:Davis'Staircase.java
Problem	https://www.hackerrank.com/challenges/ctci-fibonacci-numbers/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Recursion:FibonacciNumbers.java
Problem	https://www.hackerrank.com/challenges/ctci-balanced-brackets/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Stacks:BalancedBrackets.java
Problem	https://www.hackerrank.com/challenges/ctci-making-anagrams/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Strings:MakingAnagrams.java
Problem	https://www.hackerrank.com/challenges/ctci-big-o/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/TimeComplexity:Primality.java
Problem	https://www.hackerrank.com/challenges/ctci-is-binary-search-tree/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Trees:IsThisaBinarySearchTree?.java
Problem	https://www.hackerrank.com/challenges/ctci-contacts/problem
Solution	https://patch-diff.githubusercontent.com/BackendJava/Hackerrank/blob/master/Tutorials/CrackingtheCodingInterview/Tries:Contacts.java
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Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

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URLs of crawlers that visited me.